package com.shen.demo;

import org.junit.Test;

import java.util.ArrayList;
import java.util.List;

public class test {

    @Test
    public  void test1(){

        List<testA> list=new ArrayList<>();
        testA test=new testA();
        list.add(test);
        System.out.println(list);
        test.setH("hjjjjjj");
        System.out.println(list);
   }
}
